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1 /*------------------------------------------------------------------------
2  * Vulkan Conformance Tests
3  * ------------------------
4  *
5  * Copyright (c) 2015 The Khronos Group Inc.
6  * Copyright (c) 2015 Imagination Technologies Ltd.
7  *
8  * Licensed under the Apache License, Version 2.0 (the "License");
9  * you may not use this file except in compliance with the License.
10  * You may obtain a copy of the License at
11  *
12  *      http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing, software
15  * distributed under the License is distributed on an "AS IS" BASIS,
16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  * See the License for the specific language governing permissions and
18  * limitations under the License.
19  *
20  *//*!
21  * \file
22  * \brief Image sampling case
23  *//*--------------------------------------------------------------------*/
24 
25 #include "vktPipelineImageSamplingInstance.hpp"
26 #include "vktPipelineClearUtil.hpp"
27 #include "vktPipelineReferenceRenderer.hpp"
28 #include "vkBuilderUtil.hpp"
29 #include "vkImageUtil.hpp"
30 #include "vkPrograms.hpp"
31 #include "vkQueryUtil.hpp"
32 #include "vkRefUtil.hpp"
33 #include "vkTypeUtil.hpp"
34 #include "vkCmdUtil.hpp"
35 #include "vkTypeUtil.hpp"
36 #include "vkObjUtil.hpp"
37 #include "tcuTexLookupVerifier.hpp"
38 #include "tcuTextureUtil.hpp"
39 #include "tcuTestLog.hpp"
40 #include "deSTLUtil.hpp"
41 
42 namespace vkt
43 {
44 namespace pipeline
45 {
46 
47 using namespace vk;
48 using de::MovePtr;
49 using de::UniquePtr;
50 
51 namespace
52 {
allocateBuffer(const InstanceInterface & vki,const DeviceInterface & vkd,const VkPhysicalDevice & physDevice,const VkDevice device,const VkBuffer & buffer,const MemoryRequirement requirement,Allocator & allocator,AllocationKind allocationKind)53 de::MovePtr<Allocation> allocateBuffer (const InstanceInterface&	vki,
54 										const DeviceInterface&		vkd,
55 										const VkPhysicalDevice&		physDevice,
56 										const VkDevice				device,
57 										const VkBuffer&				buffer,
58 										const MemoryRequirement		requirement,
59 										Allocator&					allocator,
60 										AllocationKind				allocationKind)
61 {
62 	switch (allocationKind)
63 	{
64 		case ALLOCATION_KIND_SUBALLOCATED:
65 		{
66 			const VkMemoryRequirements	memoryRequirements	= getBufferMemoryRequirements(vkd, device, buffer);
67 
68 			return allocator.allocate(memoryRequirements, requirement);
69 		}
70 
71 		case ALLOCATION_KIND_DEDICATED:
72 		{
73 			return allocateDedicated(vki, vkd, physDevice, device, buffer, requirement);
74 		}
75 
76 		default:
77 		{
78 			TCU_THROW(InternalError, "Invalid allocation kind");
79 		}
80 	}
81 }
82 
allocateImage(const InstanceInterface & vki,const DeviceInterface & vkd,const VkPhysicalDevice & physDevice,const VkDevice device,const VkImage & image,const MemoryRequirement requirement,Allocator & allocator,AllocationKind allocationKind)83 de::MovePtr<Allocation> allocateImage (const InstanceInterface&		vki,
84 									   const DeviceInterface&		vkd,
85 									   const VkPhysicalDevice&		physDevice,
86 									   const VkDevice				device,
87 									   const VkImage&				image,
88 									   const MemoryRequirement		requirement,
89 									   Allocator&					allocator,
90 									   AllocationKind				allocationKind)
91 {
92 	switch (allocationKind)
93 	{
94 		case ALLOCATION_KIND_SUBALLOCATED:
95 		{
96 			const VkMemoryRequirements	memoryRequirements	= getImageMemoryRequirements(vkd, device, image);
97 
98 			return allocator.allocate(memoryRequirements, requirement);
99 		}
100 
101 		case ALLOCATION_KIND_DEDICATED:
102 		{
103 			return allocateDedicated(vki, vkd, physDevice, device, image, requirement);
104 		}
105 
106 		default:
107 		{
108 			TCU_THROW(InternalError, "Invalid allocation kind");
109 		}
110 	}
111 }
112 
getCompatibleImageType(VkImageViewType viewType)113 static VkImageType getCompatibleImageType (VkImageViewType viewType)
114 {
115 	switch (viewType)
116 	{
117 		case VK_IMAGE_VIEW_TYPE_1D:				return VK_IMAGE_TYPE_1D;
118 		case VK_IMAGE_VIEW_TYPE_1D_ARRAY:		return VK_IMAGE_TYPE_1D;
119 		case VK_IMAGE_VIEW_TYPE_2D:				return VK_IMAGE_TYPE_2D;
120 		case VK_IMAGE_VIEW_TYPE_2D_ARRAY:		return VK_IMAGE_TYPE_2D;
121 		case VK_IMAGE_VIEW_TYPE_3D:				return VK_IMAGE_TYPE_3D;
122 		case VK_IMAGE_VIEW_TYPE_CUBE:			return VK_IMAGE_TYPE_2D;
123 		case VK_IMAGE_VIEW_TYPE_CUBE_ARRAY:		return VK_IMAGE_TYPE_2D;
124 		default:
125 			break;
126 	}
127 
128 	DE_ASSERT(false);
129 	return VK_IMAGE_TYPE_1D;
130 }
131 
132 template<typename TcuFormatType>
createTestTexture(const TcuFormatType format,VkImageViewType viewType,const tcu::IVec3 & size,int layerCount)133 static MovePtr<TestTexture> createTestTexture (const TcuFormatType format, VkImageViewType viewType, const tcu::IVec3& size, int layerCount)
134 {
135 	MovePtr<TestTexture>	texture;
136 	const VkImageType		imageType = getCompatibleImageType(viewType);
137 
138 	switch (imageType)
139 	{
140 		case VK_IMAGE_TYPE_1D:
141 			if (layerCount == 1)
142 				texture = MovePtr<TestTexture>(new TestTexture1D(format, size.x()));
143 			else
144 				texture = MovePtr<TestTexture>(new TestTexture1DArray(format, size.x(), layerCount));
145 
146 			break;
147 
148 		case VK_IMAGE_TYPE_2D:
149 			if (layerCount == 1)
150 			{
151 				texture = MovePtr<TestTexture>(new TestTexture2D(format, size.x(), size.y()));
152 			}
153 			else
154 			{
155 				if (viewType == VK_IMAGE_VIEW_TYPE_CUBE || viewType == VK_IMAGE_VIEW_TYPE_CUBE_ARRAY)
156 				{
157 					if (layerCount == tcu::CUBEFACE_LAST && viewType == VK_IMAGE_VIEW_TYPE_CUBE)
158 					{
159 						texture = MovePtr<TestTexture>(new TestTextureCube(format, size.x()));
160 					}
161 					else
162 					{
163 						DE_ASSERT(layerCount % tcu::CUBEFACE_LAST == 0);
164 
165 						texture = MovePtr<TestTexture>(new TestTextureCubeArray(format, size.x(), layerCount));
166 					}
167 				}
168 				else
169 				{
170 					texture = MovePtr<TestTexture>(new TestTexture2DArray(format, size.x(), size.y(), layerCount));
171 				}
172 			}
173 
174 			break;
175 
176 		case VK_IMAGE_TYPE_3D:
177 			texture = MovePtr<TestTexture>(new TestTexture3D(format, size.x(), size.y(), size.z()));
178 			break;
179 
180 		default:
181 			DE_ASSERT(false);
182 	}
183 
184 	return texture;
185 }
186 
187 } // anonymous
188 
checkSupportImageSamplingInstance(Context & context,ImageSamplingInstanceParams params)189 void checkSupportImageSamplingInstance (Context& context, ImageSamplingInstanceParams params)
190 {
191 
192 	if (de::abs(params.samplerParams.mipLodBias) > context.getDeviceProperties().limits.maxSamplerLodBias)
193 		TCU_THROW(NotSupportedError, "Unsupported sampler Lod bias value");
194 
195 	if (!isSupportedSamplableFormat(context.getInstanceInterface(), context.getPhysicalDevice(), params.imageFormat))
196 		throw tcu::NotSupportedError(std::string("Unsupported format for sampling: ") + getFormatName(params.imageFormat));
197 
198 	if ((deUint32)params.imageCount > context.getDeviceProperties().limits.maxColorAttachments)
199 		throw tcu::NotSupportedError(std::string("Unsupported render target count: ") + de::toString(params.imageCount));
200 
201 	if ((params.samplerParams.minFilter == VK_FILTER_LINEAR ||
202 		 params.samplerParams.magFilter == VK_FILTER_LINEAR ||
203 		 params.samplerParams.mipmapMode == VK_SAMPLER_MIPMAP_MODE_LINEAR) &&
204 		!isLinearFilteringSupported(context.getInstanceInterface(), context.getPhysicalDevice(), params.imageFormat, VK_IMAGE_TILING_OPTIMAL))
205 		throw tcu::NotSupportedError(std::string("Unsupported format for linear filtering: ") + getFormatName(params.imageFormat));
206 
207 	if (params.separateStencilUsage)
208 	{
209 		context.requireDeviceFunctionality("VK_EXT_separate_stencil_usage");
210 		context.requireInstanceFunctionality("VK_KHR_get_physical_device_properties2");
211 
212 		const VkImageStencilUsageCreateInfo  stencilUsage	=
213 		{
214 			VK_STRUCTURE_TYPE_IMAGE_STENCIL_USAGE_CREATE_INFO,
215 			DE_NULL,
216 			VK_IMAGE_USAGE_TRANSFER_DST_BIT
217 		};
218 
219 		const VkPhysicalDeviceImageFormatInfo2	formatInfo2		=
220 		{
221 			VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2,		//	VkStructureType			sType
222 			params.separateStencilUsage ? &stencilUsage
223 										: DE_NULL,						//	const void*				pNext
224 			params.imageFormat,											//	VkFormat				format
225 			getCompatibleImageType(params.imageViewType),				//	VkImageType				type
226 			VK_IMAGE_TILING_OPTIMAL,									//	VkImageTiling			tiling
227 			VK_IMAGE_USAGE_SAMPLED_BIT
228 			| VK_IMAGE_USAGE_TRANSFER_DST_BIT,							//	VkImageUsageFlags		usage
229 			(VkImageCreateFlags)0u										//	VkImageCreateFlags		flags
230 		};
231 
232 		VkImageFormatProperties2				extProperties	=
233 		{
234 			VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2,
235 			DE_NULL,
236 			{
237 				{
238 					0,	// width
239 					0,	// height
240 					0,	// depth
241 				},
242 				0u,		// maxMipLevels
243 				0u,		// maxArrayLayers
244 				0,		// sampleCounts
245 				0u,		// maxResourceSize
246 			},
247 		};
248 
249 		if ((context.getInstanceInterface().getPhysicalDeviceImageFormatProperties2(context.getPhysicalDevice(), &formatInfo2, &extProperties) == VK_ERROR_FORMAT_NOT_SUPPORTED)
250 			|| extProperties.imageFormatProperties.maxExtent.width < (deUint32)params.imageSize.x()
251 			|| extProperties.imageFormatProperties.maxExtent.height < (deUint32)params.imageSize.y())
252 		{
253 			TCU_THROW(NotSupportedError, "Image format not supported");
254 		}
255 	}
256 
257 	void const* pNext = params.samplerParams.pNext;
258 	while (pNext != DE_NULL)
259 	{
260 		const VkStructureType nextType = *reinterpret_cast<const VkStructureType*>(pNext);
261 		switch (nextType)
262 		{
263 			case VK_STRUCTURE_TYPE_SAMPLER_REDUCTION_MODE_CREATE_INFO_EXT:
264 			{
265 				context.requireDeviceFunctionality("VK_EXT_sampler_filter_minmax");
266 
267 				if (!isMinMaxFilteringSupported(context.getInstanceInterface(), context.getPhysicalDevice(), params.imageFormat, VK_IMAGE_TILING_OPTIMAL))
268 					throw tcu::NotSupportedError(std::string("Unsupported format for min/max filtering: ") + getFormatName(params.imageFormat));
269 
270 				pNext = reinterpret_cast<const VkSamplerReductionModeCreateInfo*>(pNext)->pNext;
271 				break;
272 			}
273 			case VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO:
274 				context.requireDeviceFunctionality("VK_KHR_sampler_ycbcr_conversion");
275 
276 				pNext = reinterpret_cast<const VkSamplerYcbcrConversionInfo*>(pNext)->pNext;
277 				break;
278 			case VK_STRUCTURE_TYPE_SAMPLER_CUSTOM_BORDER_COLOR_CREATE_INFO_EXT:
279 				pNext = reinterpret_cast<const VkSamplerCustomBorderColorCreateInfoEXT*>(pNext)->pNext;
280 
281 				if (!context.getCustomBorderColorFeaturesEXT().customBorderColors)
282 				{
283 					throw tcu::NotSupportedError("customBorderColors feature is not supported");
284 				}
285 
286 				break;
287 			default:
288 				TCU_FAIL("Unrecognized sType in chained sampler create info");
289 		}
290 	}
291 
292 	if (params.samplerParams.addressModeU == VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE ||
293 		params.samplerParams.addressModeV == VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE ||
294 		params.samplerParams.addressModeW == VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE)
295 	{
296 		context.requireDeviceFunctionality("VK_KHR_sampler_mirror_clamp_to_edge");
297 	}
298 
299 	if ((isCompressedFormat(params.imageFormat) || isDepthStencilFormat(params.imageFormat)) && params.imageViewType == VK_IMAGE_VIEW_TYPE_3D)
300 	{
301 		// \todo [2016-01-22 pyry] Mandate VK_ERROR_FORMAT_NOT_SUPPORTED
302 		try
303 		{
304 			const VkImageFormatProperties	formatProperties	= getPhysicalDeviceImageFormatProperties(context.getInstanceInterface(),
305 																										 context.getPhysicalDevice(),
306 																										 params.imageFormat,
307 																										 VK_IMAGE_TYPE_3D,
308 																										 VK_IMAGE_TILING_OPTIMAL,
309 																										 VK_IMAGE_USAGE_SAMPLED_BIT,
310 																										 (VkImageCreateFlags)0);
311 
312 			if (formatProperties.maxExtent.width == 0 &&
313 				formatProperties.maxExtent.height == 0 &&
314 				formatProperties.maxExtent.depth == 0)
315 				TCU_THROW(NotSupportedError, "3D compressed or depth format not supported");
316 		}
317 		catch (const Error&)
318 		{
319 			TCU_THROW(NotSupportedError, "3D compressed or depth format not supported");
320 		}
321 	}
322 
323 	if (params.imageViewType == VK_IMAGE_VIEW_TYPE_CUBE_ARRAY)
324 		context.requireDeviceCoreFeature(DEVICE_CORE_FEATURE_IMAGE_CUBE_ARRAY);
325 
326 	if (params.allocationKind == ALLOCATION_KIND_DEDICATED)
327 		context.requireDeviceFunctionality("VK_KHR_dedicated_allocation");
328 
329 	if (context.isDeviceFunctionalitySupported("VK_KHR_portability_subset"))
330 	{
331 		const auto portabilitySubsetFeatures	= context.getPortabilitySubsetFeatures();
332 		const auto componentMapping				= params.componentMapping;
333 		if (!portabilitySubsetFeatures.imageViewFormatSwizzle &&
334 			((componentMapping.r != VK_COMPONENT_SWIZZLE_IDENTITY) ||
335 			 (componentMapping.g != VK_COMPONENT_SWIZZLE_IDENTITY) ||
336 			 (componentMapping.b != VK_COMPONENT_SWIZZLE_IDENTITY) ||
337 			 (componentMapping.a != VK_COMPONENT_SWIZZLE_IDENTITY)))
338 		{
339 			TCU_THROW(NotSupportedError, "VK_KHR_portability_subset: Implementation does not support remapping format components");
340 		}
341 	}
342 }
343 
ImageSamplingInstance(Context & context,ImageSamplingInstanceParams params)344 ImageSamplingInstance::ImageSamplingInstance (Context&						context,
345 											  ImageSamplingInstanceParams	params)
346 	: vkt::TestInstance		(context)
347 	, m_allocationKind		(params.allocationKind)
348 	, m_samplingType		(params.samplingType)
349 	, m_imageViewType		(params.imageViewType)
350 	, m_imageFormat			(params.imageFormat)
351 	, m_imageSize			(params.imageSize)
352 	, m_layerCount			(params.layerCount)
353 	, m_imageCount			(params.imageCount)
354 	, m_componentMapping	(params.componentMapping)
355 	, m_componentMask		(true)
356 	, m_subresourceRange	(params.subresourceRange)
357 	, m_samplerParams		(params.samplerParams)
358 	, m_samplerLod			(params.samplerLod)
359 	, m_renderSize			(params.renderSize)
360 	, m_colorFormat			(VK_FORMAT_R8G8B8A8_UNORM)
361 	, m_vertices			(params.vertices)
362 {
363 	const InstanceInterface&				vki						= context.getInstanceInterface();
364 	const DeviceInterface&					vk						= context.getDeviceInterface();
365 	const VkPhysicalDevice					physDevice				= context.getPhysicalDevice();
366 	const VkDevice							vkDevice				= context.getDevice();
367 	const VkQueue							queue					= context.getUniversalQueue();
368 	const deUint32							queueFamilyIndex		= context.getUniversalQueueFamilyIndex();
369 	SimpleAllocator							memAlloc				(vk, vkDevice, getPhysicalDeviceMemoryProperties(context.getInstanceInterface(), context.getPhysicalDevice()));
370 	const VkComponentMapping				componentMappingRGBA	= { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
371 
372 	void const* pNext = m_samplerParams.pNext;
373 	while (pNext != DE_NULL)
374 	{
375 		const VkStructureType nextType = *reinterpret_cast<const VkStructureType*>(pNext);
376 		switch (nextType)
377 		{
378 			case VK_STRUCTURE_TYPE_SAMPLER_REDUCTION_MODE_CREATE_INFO_EXT:
379 			{
380 				VkPhysicalDeviceSamplerFilterMinmaxProperties	physicalDeviceSamplerMinMaxProperties =
381 				{
382 					VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_FILTER_MINMAX_PROPERTIES_EXT,
383 					DE_NULL,
384 					DE_FALSE,
385 					DE_FALSE
386 				};
387 				VkPhysicalDeviceProperties2						physicalDeviceProperties;
388 				physicalDeviceProperties.sType	= VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
389 				physicalDeviceProperties.pNext	= &physicalDeviceSamplerMinMaxProperties;
390 
391 				vki.getPhysicalDeviceProperties2(context.getPhysicalDevice(), &physicalDeviceProperties);
392 
393 				if (physicalDeviceSamplerMinMaxProperties.filterMinmaxImageComponentMapping != VK_TRUE)
394 				{
395 					// If filterMinmaxImageComponentMapping is VK_FALSE the component mapping of the image
396 					// view used with min/max filtering must have been created with the r component set to
397 					// VK_COMPONENT_SWIZZLE_IDENTITY. Only the r component of the sampled image value is
398 					// defined and the other component values are undefined
399 
400 					m_componentMask = tcu::BVec4(true, false, false, false);
401 
402 					if (m_componentMapping.r != VK_COMPONENT_SWIZZLE_IDENTITY && m_componentMapping.r != VK_COMPONENT_SWIZZLE_R)
403 					{
404 						TCU_THROW(NotSupportedError, "filterMinmaxImageComponentMapping is not supported (R mapping is not IDENTITY)");
405 					}
406 				}
407 				pNext = reinterpret_cast<const VkSamplerReductionModeCreateInfo*>(pNext)->pNext;
408 			}
409 			break;
410 			case VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO:
411 				pNext = reinterpret_cast<const VkSamplerYcbcrConversionInfo*>(pNext)->pNext;
412 				break;
413 			case VK_STRUCTURE_TYPE_SAMPLER_CUSTOM_BORDER_COLOR_CREATE_INFO_EXT:
414 			{
415 				const VkSamplerCustomBorderColorCreateInfoEXT customBorderColorCreateInfo = *reinterpret_cast<const VkSamplerCustomBorderColorCreateInfoEXT*>(pNext);
416 
417 				VkPhysicalDeviceCustomBorderColorFeaturesEXT	physicalDeviceCustomBorderColorFeatures =
418 				{
419 					VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_CUSTOM_BORDER_COLOR_FEATURES_EXT,
420 					DE_NULL,
421 					DE_FALSE,
422 					DE_FALSE
423 				};
424 				VkPhysicalDeviceFeatures2						physicalDeviceFeatures;
425 				physicalDeviceFeatures.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
426 				physicalDeviceFeatures.pNext = &physicalDeviceCustomBorderColorFeatures;
427 
428 				vki.getPhysicalDeviceFeatures2(context.getPhysicalDevice(), &physicalDeviceFeatures);
429 
430 				if (physicalDeviceCustomBorderColorFeatures.customBorderColors != VK_TRUE)
431 				{
432 					TCU_THROW(NotSupportedError, "customBorderColors are not supported");
433 				}
434 
435 				if (physicalDeviceCustomBorderColorFeatures.customBorderColorWithoutFormat != VK_TRUE &&
436 					customBorderColorCreateInfo.format == VK_FORMAT_UNDEFINED)
437 				{
438 					TCU_THROW(NotSupportedError, "customBorderColorWithoutFormat is not supported");
439 				}
440 
441 				pNext = reinterpret_cast<const VkSamplerCustomBorderColorCreateInfoEXT*>(pNext)->pNext;
442 			}
443 			break;
444 			default:
445 				TCU_FAIL("Unrecognized sType in chained sampler create info");
446 		}
447 	}
448 
449 	// Create texture images, views and samplers
450 	{
451 		VkImageCreateFlags			imageFlags			= 0u;
452 
453 		if (m_imageViewType == VK_IMAGE_VIEW_TYPE_CUBE || m_imageViewType == VK_IMAGE_VIEW_TYPE_CUBE_ARRAY)
454 			imageFlags = VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT;
455 
456 		// Initialize texture data
457 		if (isCompressedFormat(m_imageFormat))
458 			m_texture = createTestTexture(mapVkCompressedFormat(m_imageFormat), m_imageViewType, m_imageSize, m_layerCount);
459 		else
460 			m_texture = createTestTexture(mapVkFormat(m_imageFormat), m_imageViewType, m_imageSize, m_layerCount);
461 
462 		const VkImageCreateInfo	imageParams =
463 		{
464 			VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,							// VkStructureType			sType;
465 			DE_NULL,														// const void*				pNext;
466 			imageFlags,														// VkImageCreateFlags		flags;
467 			getCompatibleImageType(m_imageViewType),						// VkImageType				imageType;
468 			m_imageFormat,													// VkFormat					format;
469 			{																// VkExtent3D				extent;
470 				(deUint32)m_imageSize.x(),
471 				(deUint32)m_imageSize.y(),
472 				(deUint32)m_imageSize.z()
473 			},
474 			(deUint32)m_texture->getNumLevels(),							// deUint32					mipLevels;
475 			(deUint32)m_layerCount,											// deUint32					arrayLayers;
476 			VK_SAMPLE_COUNT_1_BIT,											// VkSampleCountFlagBits	samples;
477 			VK_IMAGE_TILING_OPTIMAL,										// VkImageTiling			tiling;
478 			VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT,	// VkImageUsageFlags		usage;
479 			VK_SHARING_MODE_EXCLUSIVE,										// VkSharingMode			sharingMode;
480 			1u,																// deUint32					queueFamilyIndexCount;
481 			&queueFamilyIndex,												// const deUint32*			pQueueFamilyIndices;
482 			VK_IMAGE_LAYOUT_UNDEFINED										// VkImageLayout			initialLayout;
483 		};
484 
485 		m_images.resize(m_imageCount);
486 		m_imageAllocs.resize(m_imageCount);
487 		m_imageViews.resize(m_imageCount);
488 
489 		for (int imgNdx = 0; imgNdx < m_imageCount; ++imgNdx)
490 		{
491 			m_images[imgNdx] = SharedImagePtr(new UniqueImage(createImage(vk, vkDevice, &imageParams)));
492 			m_imageAllocs[imgNdx] = SharedAllocPtr(new UniqueAlloc(allocateImage(vki, vk, physDevice, vkDevice, **m_images[imgNdx], MemoryRequirement::Any, memAlloc, m_allocationKind)));
493 			VK_CHECK(vk.bindImageMemory(vkDevice, **m_images[imgNdx], (*m_imageAllocs[imgNdx])->getMemory(), (*m_imageAllocs[imgNdx])->getOffset()));
494 
495 			// Upload texture data
496 			uploadTestTexture(vk, vkDevice, queue, queueFamilyIndex, memAlloc, *m_texture, **m_images[imgNdx]);
497 
498 			// Create image view and sampler
499 			const VkImageViewCreateInfo imageViewParams =
500 			{
501 				VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,	// VkStructureType			sType;
502 				DE_NULL,									// const void*				pNext;
503 				0u,											// VkImageViewCreateFlags	flags;
504 				**m_images[imgNdx],							// VkImage					image;
505 				m_imageViewType,							// VkImageViewType			viewType;
506 				m_imageFormat,								// VkFormat					format;
507 				m_componentMapping,							// VkComponentMapping		components;
508 				m_subresourceRange,							// VkImageSubresourceRange	subresourceRange;
509 			};
510 
511 			m_imageViews[imgNdx] = SharedImageViewPtr(new UniqueImageView(createImageView(vk, vkDevice, &imageViewParams)));
512 		}
513 
514 		m_sampler	= createSampler(vk, vkDevice, &m_samplerParams);
515 	}
516 
517 	// Create descriptor set for image and sampler
518 	{
519 		DescriptorPoolBuilder descriptorPoolBuilder;
520 		if (m_samplingType == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE)
521 			descriptorPoolBuilder.addType(VK_DESCRIPTOR_TYPE_SAMPLER, 1u);
522 		descriptorPoolBuilder.addType(m_samplingType, m_imageCount);
523 		m_descriptorPool = descriptorPoolBuilder.build(vk, vkDevice, VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT,
524 			m_samplingType == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE ? m_imageCount + 1u : m_imageCount);
525 
526 		DescriptorSetLayoutBuilder setLayoutBuilder;
527 		if (m_samplingType == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE)
528 			setLayoutBuilder.addSingleBinding(VK_DESCRIPTOR_TYPE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT);
529 		setLayoutBuilder.addArrayBinding(m_samplingType, m_imageCount, VK_SHADER_STAGE_FRAGMENT_BIT);
530 		m_descriptorSetLayout = setLayoutBuilder.build(vk, vkDevice);
531 
532 		const VkDescriptorSetAllocateInfo descriptorSetAllocateInfo =
533 		{
534 			VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,		// VkStructureType				sType;
535 			DE_NULL,											// const void*					pNext;
536 			*m_descriptorPool,									// VkDescriptorPool				descriptorPool;
537 			1u,													// deUint32						setLayoutCount;
538 			&m_descriptorSetLayout.get()						// const VkDescriptorSetLayout*	pSetLayouts;
539 		};
540 
541 		m_descriptorSet = allocateDescriptorSet(vk, vkDevice, &descriptorSetAllocateInfo);
542 
543 		const VkSampler sampler = m_samplingType == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE ? DE_NULL : *m_sampler;
544 		std::vector<VkDescriptorImageInfo> descriptorImageInfo(m_imageCount);
545 		for (int imgNdx = 0; imgNdx < m_imageCount; ++imgNdx)
546 		{
547 			descriptorImageInfo[imgNdx].sampler		= sampler;									// VkSampler		sampler;
548 			descriptorImageInfo[imgNdx].imageView	= **m_imageViews[imgNdx];					// VkImageView		imageView;
549 			descriptorImageInfo[imgNdx].imageLayout	= VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;	// VkImageLayout	imageLayout;
550 		}
551 
552 		DescriptorSetUpdateBuilder setUpdateBuilder;
553 		if (m_samplingType == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE)
554 		{
555 			const VkDescriptorImageInfo descriptorSamplerInfo =
556 			{
557 				*m_sampler,									// VkSampler		sampler;
558 				DE_NULL,									// VkImageView		imageView;
559 				VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL	// VkImageLayout	imageLayout;
560 			};
561 			setUpdateBuilder.writeSingle(*m_descriptorSet, DescriptorSetUpdateBuilder::Location::binding(0), VK_DESCRIPTOR_TYPE_SAMPLER, &descriptorSamplerInfo);
562 		}
563 
564 		const deUint32 binding = m_samplingType == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE ? 1u : 0u;
565 		setUpdateBuilder.writeArray(*m_descriptorSet, DescriptorSetUpdateBuilder::Location::binding(binding), m_samplingType, m_imageCount, descriptorImageInfo.data());
566 		setUpdateBuilder.update(vk, vkDevice);
567 	}
568 
569 	// Create color images and views
570 	{
571 		const VkImageCreateInfo colorImageParams =
572 		{
573 			VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,										// VkStructureType			sType;
574 			DE_NULL,																	// const void*				pNext;
575 			0u,																			// VkImageCreateFlags		flags;
576 			VK_IMAGE_TYPE_2D,															// VkImageType				imageType;
577 			m_colorFormat,																// VkFormat					format;
578 			{ (deUint32)m_renderSize.x(), (deUint32)m_renderSize.y(), 1u },				// VkExtent3D				extent;
579 			1u,																			// deUint32					mipLevels;
580 			1u,																			// deUint32					arrayLayers;
581 			VK_SAMPLE_COUNT_1_BIT,														// VkSampleCountFlagBits	samples;
582 			VK_IMAGE_TILING_OPTIMAL,													// VkImageTiling			tiling;
583 			VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT,		// VkImageUsageFlags		usage;
584 			VK_SHARING_MODE_EXCLUSIVE,													// VkSharingMode			sharingMode;
585 			1u,																			// deUint32					queueFamilyIndexCount;
586 			&queueFamilyIndex,															// const deUint32*			pQueueFamilyIndices;
587 			VK_IMAGE_LAYOUT_UNDEFINED													// VkImageLayout			initialLayout;
588 		};
589 
590 		m_colorImages.resize(m_imageCount);
591 		m_colorImageAllocs.resize(m_imageCount);
592 		m_colorAttachmentViews.resize(m_imageCount);
593 
594 		for (int imgNdx = 0; imgNdx < m_imageCount; ++imgNdx)
595 		{
596 			m_colorImages[imgNdx] = SharedImagePtr(new UniqueImage(createImage(vk, vkDevice, &colorImageParams)));
597 			m_colorImageAllocs[imgNdx] = SharedAllocPtr(new UniqueAlloc(allocateImage(vki, vk, physDevice, vkDevice, **m_colorImages[imgNdx], MemoryRequirement::Any, memAlloc, m_allocationKind)));
598 			VK_CHECK(vk.bindImageMemory(vkDevice, **m_colorImages[imgNdx], (*m_colorImageAllocs[imgNdx])->getMemory(), (*m_colorImageAllocs[imgNdx])->getOffset()));
599 
600 			const VkImageViewCreateInfo colorAttachmentViewParams =
601 			{
602 				VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,			// VkStructureType			sType;
603 				DE_NULL,											// const void*				pNext;
604 				0u,													// VkImageViewCreateFlags	flags;
605 				**m_colorImages[imgNdx],							// VkImage					image;
606 				VK_IMAGE_VIEW_TYPE_2D,								// VkImageViewType			viewType;
607 				m_colorFormat,										// VkFormat					format;
608 				componentMappingRGBA,								// VkComponentMapping		components;
609 				{ VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u }		// VkImageSubresourceRange	subresourceRange;
610 			};
611 
612 			m_colorAttachmentViews[imgNdx] = SharedImageViewPtr(new UniqueImageView(createImageView(vk, vkDevice, &colorAttachmentViewParams)));
613 		}
614 	}
615 
616 	// Create render pass
617 	{
618 		std::vector<VkAttachmentDescription>	colorAttachmentDescriptions(m_imageCount);
619 		std::vector<VkAttachmentReference>		colorAttachmentReferences(m_imageCount);
620 
621 		for (int imgNdx = 0; imgNdx < m_imageCount; ++imgNdx)
622 		{
623 			colorAttachmentDescriptions[imgNdx].flags			= 0u;										// VkAttachmentDescriptionFlags		flags;
624 			colorAttachmentDescriptions[imgNdx].format			= m_colorFormat;							// VkFormat							format;
625 			colorAttachmentDescriptions[imgNdx].samples			= VK_SAMPLE_COUNT_1_BIT;					// VkSampleCountFlagBits			samples;
626 			colorAttachmentDescriptions[imgNdx].loadOp			= VK_ATTACHMENT_LOAD_OP_CLEAR;				// VkAttachmentLoadOp				loadOp;
627 			colorAttachmentDescriptions[imgNdx].storeOp			= VK_ATTACHMENT_STORE_OP_STORE;				// VkAttachmentStoreOp				storeOp;
628 			colorAttachmentDescriptions[imgNdx].stencilLoadOp	= VK_ATTACHMENT_LOAD_OP_DONT_CARE;			// VkAttachmentLoadOp				stencilLoadOp;
629 			colorAttachmentDescriptions[imgNdx].stencilStoreOp	= VK_ATTACHMENT_STORE_OP_DONT_CARE;			// VkAttachmentStoreOp				stencilStoreOp;
630 			colorAttachmentDescriptions[imgNdx].initialLayout	= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;	// VkImageLayout					initialLayout;
631 			colorAttachmentDescriptions[imgNdx].finalLayout		= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;	// VkImageLayout					finalLayout;
632 
633 			colorAttachmentReferences[imgNdx].attachment		= (deUint32)imgNdx;							// deUint32							attachment;
634 			colorAttachmentReferences[imgNdx].layout			= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;	// VkImageLayout					layout;
635 		}
636 
637 		const VkSubpassDescription subpassDescription =
638 		{
639 			0u,													// VkSubpassDescriptionFlags	flags;
640 			VK_PIPELINE_BIND_POINT_GRAPHICS,					// VkPipelineBindPoint			pipelineBindPoint;
641 			0u,													// deUint32						inputAttachmentCount;
642 			DE_NULL,											// const VkAttachmentReference*	pInputAttachments;
643 			(deUint32)m_imageCount,								// deUint32						colorAttachmentCount;
644 			&colorAttachmentReferences[0],						// const VkAttachmentReference*	pColorAttachments;
645 			DE_NULL,											// const VkAttachmentReference*	pResolveAttachments;
646 			DE_NULL,											// const VkAttachmentReference*	pDepthStencilAttachment;
647 			0u,													// deUint32						preserveAttachmentCount;
648 			DE_NULL												// const VkAttachmentReference*	pPreserveAttachments;
649 		};
650 
651 		const VkRenderPassCreateInfo renderPassParams =
652 		{
653 			VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,			// VkStructureType					sType;
654 			DE_NULL,											// const void*						pNext;
655 			0u,													// VkRenderPassCreateFlags			flags;
656 			(deUint32)m_imageCount,								// deUint32							attachmentCount;
657 			&colorAttachmentDescriptions[0],					// const VkAttachmentDescription*	pAttachments;
658 			1u,													// deUint32							subpassCount;
659 			&subpassDescription,								// const VkSubpassDescription*		pSubpasses;
660 			0u,													// deUint32							dependencyCount;
661 			DE_NULL												// const VkSubpassDependency*		pDependencies;
662 		};
663 
664 		m_renderPass = createRenderPass(vk, vkDevice, &renderPassParams);
665 	}
666 
667 	// Create framebuffer
668 	{
669 		std::vector<VkImageView> pAttachments(m_imageCount);
670 		for (int imgNdx = 0; imgNdx < m_imageCount; ++imgNdx)
671 			pAttachments[imgNdx] = m_colorAttachmentViews[imgNdx]->get();
672 
673 		const VkFramebufferCreateInfo framebufferParams =
674 		{
675 			VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,			// VkStructureType			sType;
676 			DE_NULL,											// const void*				pNext;
677 			0u,													// VkFramebufferCreateFlags	flags;
678 			*m_renderPass,										// VkRenderPass				renderPass;
679 			(deUint32)m_imageCount,								// deUint32					attachmentCount;
680 			&pAttachments[0],									// const VkImageView*		pAttachments;
681 			(deUint32)m_renderSize.x(),							// deUint32					width;
682 			(deUint32)m_renderSize.y(),							// deUint32					height;
683 			1u													// deUint32					layers;
684 		};
685 
686 		m_framebuffer = createFramebuffer(vk, vkDevice, &framebufferParams);
687 	}
688 
689 	// Create pipeline layout
690 	{
691 		const VkPipelineLayoutCreateInfo pipelineLayoutParams =
692 		{
693 			VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,		// VkStructureType				sType;
694 			DE_NULL,											// const void*					pNext;
695 			0u,													// VkPipelineLayoutCreateFlags	flags;
696 			1u,													// deUint32						setLayoutCount;
697 			&m_descriptorSetLayout.get(),						// const VkDescriptorSetLayout*	pSetLayouts;
698 			0u,													// deUint32						pushConstantRangeCount;
699 			DE_NULL												// const VkPushConstantRange*	pPushConstantRanges;
700 		};
701 
702 		m_pipelineLayout = createPipelineLayout(vk, vkDevice, &pipelineLayoutParams);
703 	}
704 
705 	m_vertexShaderModule	= createShaderModule(vk, vkDevice, m_context.getBinaryCollection().get("tex_vert"), 0);
706 	m_fragmentShaderModule	= createShaderModule(vk, vkDevice, m_context.getBinaryCollection().get("tex_frag"), 0);
707 
708 	// Create pipeline
709 	{
710 		const VkVertexInputBindingDescription vertexInputBindingDescription =
711 		{
712 			0u,									// deUint32					binding;
713 			sizeof(Vertex4Tex4),				// deUint32					strideInBytes;
714 			VK_VERTEX_INPUT_RATE_VERTEX			// VkVertexInputStepRate	inputRate;
715 		};
716 
717 		const VkVertexInputAttributeDescription vertexInputAttributeDescriptions[2] =
718 		{
719 			{
720 				0u,										// deUint32	location;
721 				0u,										// deUint32	binding;
722 				VK_FORMAT_R32G32B32A32_SFLOAT,			// VkFormat	format;
723 				0u										// deUint32	offset;
724 			},
725 			{
726 				1u,										// deUint32	location;
727 				0u,										// deUint32	binding;
728 				VK_FORMAT_R32G32B32A32_SFLOAT,			// VkFormat	format;
729 				DE_OFFSET_OF(Vertex4Tex4, texCoord),	// deUint32	offset;
730 			}
731 		};
732 
733 		const VkPipelineVertexInputStateCreateInfo vertexInputStateParams =
734 		{
735 			VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,		// VkStructureType							sType;
736 			DE_NULL,														// const void*								pNext;
737 			0u,																// VkPipelineVertexInputStateCreateFlags	flags;
738 			1u,																// deUint32									vertexBindingDescriptionCount;
739 			&vertexInputBindingDescription,									// const VkVertexInputBindingDescription*	pVertexBindingDescriptions;
740 			2u,																// deUint32									vertexAttributeDescriptionCount;
741 			vertexInputAttributeDescriptions								// const VkVertexInputAttributeDescription*	pVertexAttributeDescriptions;
742 		};
743 
744 		const std::vector<VkViewport>	viewports	(1, makeViewport(m_renderSize));
745 		const std::vector<VkRect2D>		scissors	(1, makeRect2D(m_renderSize));
746 
747 		std::vector<VkPipelineColorBlendAttachmentState>	colorBlendAttachmentStates(m_imageCount);
748 
749 		for (int imgNdx = 0; imgNdx < m_imageCount; ++imgNdx)
750 		{
751 			colorBlendAttachmentStates[imgNdx].blendEnable			= false;												// VkBool32					blendEnable;
752 			colorBlendAttachmentStates[imgNdx].srcColorBlendFactor	= VK_BLEND_FACTOR_ONE;									// VkBlendFactor			srcColorBlendFactor;
753 			colorBlendAttachmentStates[imgNdx].dstColorBlendFactor	= VK_BLEND_FACTOR_ZERO;									// VkBlendFactor			dstColorBlendFactor;
754 			colorBlendAttachmentStates[imgNdx].colorBlendOp			= VK_BLEND_OP_ADD;										// VkBlendOp				colorBlendOp;
755 			colorBlendAttachmentStates[imgNdx].srcAlphaBlendFactor	= VK_BLEND_FACTOR_ONE;									// VkBlendFactor			srcAlphaBlendFactor;
756 			colorBlendAttachmentStates[imgNdx].dstAlphaBlendFactor	= VK_BLEND_FACTOR_ZERO;									// VkBlendFactor			dstAlphaBlendFactor;
757 			colorBlendAttachmentStates[imgNdx].alphaBlendOp			= VK_BLEND_OP_ADD;										// VkBlendOp				alphaBlendOp;
758 			colorBlendAttachmentStates[imgNdx].colorWriteMask		= VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |	// VkColorComponentFlags	colorWriteMask;
759 																		VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
760 		}
761 
762 		const VkPipelineColorBlendStateCreateInfo colorBlendStateParams =
763 		{
764 			VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,	// VkStructureType								sType;
765 			DE_NULL,													// const void*									pNext;
766 			0u,															// VkPipelineColorBlendStateCreateFlags			flags;
767 			false,														// VkBool32										logicOpEnable;
768 			VK_LOGIC_OP_COPY,											// VkLogicOp									logicOp;
769 			(deUint32)m_imageCount,										// deUint32										attachmentCount;
770 			&colorBlendAttachmentStates[0],								// const VkPipelineColorBlendAttachmentState*	pAttachments;
771 			{ 0.0f, 0.0f, 0.0f, 0.0f }									// float										blendConstants[4];
772 		};
773 
774 		m_graphicsPipeline = makeGraphicsPipeline(vk,									// const DeviceInterface&                        vk
775 												  vkDevice,								// const VkDevice                                device
776 												  *m_pipelineLayout,					// const VkPipelineLayout                        pipelineLayout
777 												  *m_vertexShaderModule,				// const VkShaderModule                          vertexShaderModule
778 												  DE_NULL,								// const VkShaderModule                          tessellationControlModule
779 												  DE_NULL,								// const VkShaderModule                          tessellationEvalModule
780 												  DE_NULL,								// const VkShaderModule                          geometryShaderModule
781 												  *m_fragmentShaderModule,				// const VkShaderModule                          fragmentShaderModule
782 												  *m_renderPass,						// const VkRenderPass                            renderPass
783 												  viewports,							// const std::vector<VkViewport>&                viewports
784 												  scissors,								// const std::vector<VkRect2D>&                  scissors
785 												  VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,	// const VkPrimitiveTopology                     topology
786 												  0u,									// const deUint32                                subpass
787 												  0u,									// const deUint32                                patchControlPoints
788 												  &vertexInputStateParams,				// const VkPipelineVertexInputStateCreateInfo*   vertexInputStateCreateInfo
789 												  DE_NULL,								// const VkPipelineRasterizationStateCreateInfo* rasterizationStateCreateInfo
790 												  DE_NULL,								// const VkPipelineMultisampleStateCreateInfo*   multisampleStateCreateInfo
791 												  DE_NULL,								// const VkPipelineDepthStencilStateCreateInfo*  depthStencilStateCreateInfo
792 												  &colorBlendStateParams);				// const VkPipelineColorBlendStateCreateInfo*    colorBlendStateCreateInfo
793 	}
794 
795 	// Create vertex buffer
796 	{
797 		const VkDeviceSize			vertexBufferSize	= (VkDeviceSize)(m_vertices.size() * sizeof(Vertex4Tex4));
798 		const VkBufferCreateInfo	vertexBufferParams	=
799 		{
800 			VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,		// VkStructureType		sType;
801 			DE_NULL,									// const void*			pNext;
802 			0u,											// VkBufferCreateFlags	flags;
803 			vertexBufferSize,							// VkDeviceSize			size;
804 			VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,			// VkBufferUsageFlags	usage;
805 			VK_SHARING_MODE_EXCLUSIVE,					// VkSharingMode		sharingMode;
806 			1u,											// deUint32				queueFamilyIndexCount;
807 			&queueFamilyIndex							// const deUint32*		pQueueFamilyIndices;
808 		};
809 
810 		DE_ASSERT(vertexBufferSize > 0);
811 
812 		m_vertexBuffer		= createBuffer(vk, vkDevice, &vertexBufferParams);
813 		m_vertexBufferAlloc = allocateBuffer(vki, vk, physDevice, vkDevice, *m_vertexBuffer, MemoryRequirement::HostVisible, memAlloc, m_allocationKind);
814 		VK_CHECK(vk.bindBufferMemory(vkDevice, *m_vertexBuffer, m_vertexBufferAlloc->getMemory(), m_vertexBufferAlloc->getOffset()));
815 
816 		// Load vertices into vertex buffer
817 		deMemcpy(m_vertexBufferAlloc->getHostPtr(), &m_vertices[0], (size_t)vertexBufferSize);
818 		flushAlloc(vk, vkDevice, *m_vertexBufferAlloc);
819 	}
820 
821 	// Create command pool
822 	m_cmdPool = createCommandPool(vk, vkDevice, VK_COMMAND_POOL_CREATE_TRANSIENT_BIT, queueFamilyIndex);
823 
824 	// Create command buffer
825 	{
826 		const std::vector<VkClearValue> attachmentClearValues (m_imageCount, defaultClearValue(m_colorFormat));
827 
828 		std::vector<VkImageMemoryBarrier> preAttachmentBarriers(m_imageCount);
829 
830 		for (int imgNdx = 0; imgNdx < m_imageCount; ++imgNdx)
831 		{
832 			preAttachmentBarriers[imgNdx].sType								= VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;	// VkStructureType			sType;
833 			preAttachmentBarriers[imgNdx].pNext								= DE_NULL;									// const void*				pNext;
834 			preAttachmentBarriers[imgNdx].srcAccessMask						= 0u;										// VkAccessFlags			srcAccessMask;
835 			preAttachmentBarriers[imgNdx].dstAccessMask						= VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;		// VkAccessFlags			dstAccessMask;
836 			preAttachmentBarriers[imgNdx].oldLayout							= VK_IMAGE_LAYOUT_UNDEFINED;				// VkImageLayout			oldLayout;
837 			preAttachmentBarriers[imgNdx].newLayout							= VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;	// VkImageLayout			newLayout;
838 			preAttachmentBarriers[imgNdx].srcQueueFamilyIndex				= VK_QUEUE_FAMILY_IGNORED;					// deUint32					srcQueueFamilyIndex;
839 			preAttachmentBarriers[imgNdx].dstQueueFamilyIndex				= VK_QUEUE_FAMILY_IGNORED;					// deUint32					dstQueueFamilyIndex;
840 			preAttachmentBarriers[imgNdx].image								= **m_colorImages[imgNdx];					// VkImage					image;
841 			preAttachmentBarriers[imgNdx].subresourceRange.aspectMask		= VK_IMAGE_ASPECT_COLOR_BIT;				// VkImageSubresourceRange	subresourceRange;
842 			preAttachmentBarriers[imgNdx].subresourceRange.baseMipLevel		= 0u;
843 			preAttachmentBarriers[imgNdx].subresourceRange.levelCount		= 1u;
844 			preAttachmentBarriers[imgNdx].subresourceRange.baseArrayLayer	= 0u;
845 			preAttachmentBarriers[imgNdx].subresourceRange.layerCount		= 1u;
846 		}
847 
848 		m_cmdBuffer = allocateCommandBuffer(vk, vkDevice, *m_cmdPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY);
849 
850 		beginCommandBuffer(vk, *m_cmdBuffer, 0u);
851 
852 		vk.cmdPipelineBarrier(*m_cmdBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, (VkDependencyFlags)0,
853 			0u, DE_NULL, 0u, DE_NULL, (deUint32)m_imageCount, &preAttachmentBarriers[0]);
854 
855 		beginRenderPass(vk, *m_cmdBuffer, *m_renderPass, *m_framebuffer, makeRect2D(0, 0, m_renderSize.x(), m_renderSize.y()), (deUint32)attachmentClearValues.size(), &attachmentClearValues[0]);
856 
857 		vk.cmdBindPipeline(*m_cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *m_graphicsPipeline);
858 
859 		vk.cmdBindDescriptorSets(*m_cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *m_pipelineLayout, 0, 1, &m_descriptorSet.get(), 0, DE_NULL);
860 
861 		const VkDeviceSize vertexBufferOffset = 0;
862 		vk.cmdBindVertexBuffers(*m_cmdBuffer, 0, 1, &m_vertexBuffer.get(), &vertexBufferOffset);
863 		vk.cmdDraw(*m_cmdBuffer, (deUint32)m_vertices.size(), 1, 0, 0);
864 
865 		endRenderPass(vk, *m_cmdBuffer);
866 		endCommandBuffer(vk, *m_cmdBuffer);
867 	}
868 }
869 
~ImageSamplingInstance(void)870 ImageSamplingInstance::~ImageSamplingInstance (void)
871 {
872 }
873 
iterate(void)874 tcu::TestStatus ImageSamplingInstance::iterate (void)
875 {
876 	const DeviceInterface&		vk			= m_context.getDeviceInterface();
877 	const VkDevice				vkDevice	= m_context.getDevice();
878 	const VkQueue				queue		= m_context.getUniversalQueue();
879 
880 	submitCommandsAndWait(vk, vkDevice, queue, m_cmdBuffer.get());
881 
882 	return verifyImage();
883 }
884 
885 namespace
886 {
887 
isLookupResultValid(const tcu::Texture1DView & texture,const tcu::Sampler & sampler,const tcu::LookupPrecision & precision,const tcu::Vec4 & coords,const tcu::Vec2 & lodBounds,const tcu::Vec4 & result)888 bool isLookupResultValid (const tcu::Texture1DView&		texture,
889 						  const tcu::Sampler&			sampler,
890 						  const tcu::LookupPrecision&	precision,
891 						  const tcu::Vec4&				coords,
892 						  const tcu::Vec2&				lodBounds,
893 						  const tcu::Vec4&				result)
894 {
895 	return tcu::isLookupResultValid(texture, sampler, precision, coords.x(), lodBounds, result);
896 }
897 
isLookupResultValid(const tcu::Texture1DArrayView & texture,const tcu::Sampler & sampler,const tcu::LookupPrecision & precision,const tcu::Vec4 & coords,const tcu::Vec2 & lodBounds,const tcu::Vec4 & result)898 bool isLookupResultValid (const tcu::Texture1DArrayView&	texture,
899 						  const tcu::Sampler&				sampler,
900 						  const tcu::LookupPrecision&		precision,
901 						  const tcu::Vec4&					coords,
902 						  const tcu::Vec2&					lodBounds,
903 						  const tcu::Vec4&					result)
904 {
905 	return tcu::isLookupResultValid(texture, sampler, precision, coords.swizzle(0,1), lodBounds, result);
906 }
907 
isLookupResultValid(const tcu::Texture2DView & texture,const tcu::Sampler & sampler,const tcu::LookupPrecision & precision,const tcu::Vec4 & coords,const tcu::Vec2 & lodBounds,const tcu::Vec4 & result)908 bool isLookupResultValid (const tcu::Texture2DView&		texture,
909 						  const tcu::Sampler&			sampler,
910 						  const tcu::LookupPrecision&	precision,
911 						  const tcu::Vec4&				coords,
912 						  const tcu::Vec2&				lodBounds,
913 						  const tcu::Vec4&				result)
914 {
915 	return tcu::isLookupResultValid(texture, sampler, precision, coords.swizzle(0,1), lodBounds, result);
916 }
917 
isLookupResultValid(const tcu::Texture2DArrayView & texture,const tcu::Sampler & sampler,const tcu::LookupPrecision & precision,const tcu::Vec4 & coords,const tcu::Vec2 & lodBounds,const tcu::Vec4 & result)918 bool isLookupResultValid (const tcu::Texture2DArrayView&	texture,
919 						  const tcu::Sampler&				sampler,
920 						  const tcu::LookupPrecision&		precision,
921 						  const tcu::Vec4&					coords,
922 						  const tcu::Vec2&					lodBounds,
923 						  const tcu::Vec4&					result)
924 {
925 	return tcu::isLookupResultValid(texture, sampler, precision, coords.swizzle(0,1,2), lodBounds, result);
926 }
927 
isLookupResultValid(const tcu::TextureCubeView & texture,const tcu::Sampler & sampler,const tcu::LookupPrecision & precision,const tcu::Vec4 & coords,const tcu::Vec2 & lodBounds,const tcu::Vec4 & result)928 bool isLookupResultValid (const tcu::TextureCubeView&	texture,
929 						  const tcu::Sampler&			sampler,
930 						  const tcu::LookupPrecision&	precision,
931 						  const tcu::Vec4&				coords,
932 						  const tcu::Vec2&				lodBounds,
933 						  const tcu::Vec4&				result)
934 {
935 	return tcu::isLookupResultValid(texture, sampler, precision, coords.swizzle(0,1,2), lodBounds, result);
936 }
937 
isLookupResultValid(const tcu::TextureCubeArrayView & texture,const tcu::Sampler & sampler,const tcu::LookupPrecision & precision,const tcu::Vec4 & coords,const tcu::Vec2 & lodBounds,const tcu::Vec4 & result)938 bool isLookupResultValid (const tcu::TextureCubeArrayView&	texture,
939 						  const tcu::Sampler&				sampler,
940 						  const tcu::LookupPrecision&		precision,
941 						  const tcu::Vec4&					coords,
942 						  const tcu::Vec2&					lodBounds,
943 						  const tcu::Vec4&					result)
944 {
945 	return tcu::isLookupResultValid(texture, sampler, precision, tcu::IVec4(precision.coordBits.x()), coords, lodBounds, result);
946 }
947 
isLookupResultValid(const tcu::Texture3DView & texture,const tcu::Sampler & sampler,const tcu::LookupPrecision & precision,const tcu::Vec4 & coords,const tcu::Vec2 & lodBounds,const tcu::Vec4 & result)948 bool isLookupResultValid(const tcu::Texture3DView&		texture,
949 						 const tcu::Sampler&			sampler,
950 						 const tcu::LookupPrecision&	precision,
951 						 const tcu::Vec4&				coords,
952 						 const tcu::Vec2&				lodBounds,
953 						 const tcu::Vec4&				result)
954 {
955 	return tcu::isLookupResultValid(texture, sampler, precision, coords.swizzle(0,1,2), lodBounds, result);
956 }
957 
958 template<typename TextureViewType>
validateResultImage(const TextureViewType & texture,const tcu::Sampler & sampler,const tcu::ConstPixelBufferAccess & texCoords,const tcu::Vec2 & lodBounds,const tcu::LookupPrecision & lookupPrecision,const tcu::Vec4 & lookupScale,const tcu::Vec4 & lookupBias,const tcu::ConstPixelBufferAccess & result,const tcu::PixelBufferAccess & errorMask)959 bool validateResultImage (const TextureViewType&				texture,
960 						  const tcu::Sampler&					sampler,
961 						  const tcu::ConstPixelBufferAccess&	texCoords,
962 						  const tcu::Vec2&						lodBounds,
963 						  const tcu::LookupPrecision&			lookupPrecision,
964 						  const tcu::Vec4&						lookupScale,
965 						  const tcu::Vec4&						lookupBias,
966 						  const tcu::ConstPixelBufferAccess&	result,
967 						  const tcu::PixelBufferAccess&			errorMask)
968 {
969 	const int	w		= result.getWidth();
970 	const int	h		= result.getHeight();
971 	bool		allOk	= true;
972 
973 	for (int y = 0; y < h; ++y)
974 	{
975 		for (int x = 0; x < w; ++x)
976 		{
977 			const tcu::Vec4		resultPixel	= result.getPixel(x, y);
978 			const tcu::Vec4		resultColor	= (resultPixel - lookupBias) / lookupScale;
979 			const tcu::Vec4		texCoord	= texCoords.getPixel(x, y);
980 			const bool			pixelOk		= isLookupResultValid(texture, sampler, lookupPrecision, texCoord, lodBounds, resultColor);
981 
982 			errorMask.setPixel(tcu::Vec4(pixelOk?0.0f:1.0f, pixelOk?1.0f:0.0f, 0.0f, 1.0f), x, y);
983 
984 			if (!pixelOk)
985 				allOk = false;
986 		}
987 	}
988 
989 	return allOk;
990 }
991 
992 template<typename ScalarType>
getSwizzledComp(const tcu::Vector<ScalarType,4> & vec,vk::VkComponentSwizzle comp,int identityNdx)993 ScalarType getSwizzledComp (const tcu::Vector<ScalarType, 4>& vec, vk::VkComponentSwizzle comp, int identityNdx)
994 {
995 	if (comp == vk::VK_COMPONENT_SWIZZLE_IDENTITY)
996 		return vec[identityNdx];
997 	else if (comp == vk::VK_COMPONENT_SWIZZLE_ZERO)
998 		return ScalarType(0);
999 	else if (comp == vk::VK_COMPONENT_SWIZZLE_ONE)
1000 		return ScalarType(1);
1001 	else
1002 		return vec[comp - vk::VK_COMPONENT_SWIZZLE_R];
1003 }
1004 
1005 template<typename ScalarType>
swizzle(const tcu::Vector<ScalarType,4> & vec,const vk::VkComponentMapping & swz)1006 tcu::Vector<ScalarType, 4> swizzle (const tcu::Vector<ScalarType, 4>& vec, const vk::VkComponentMapping& swz)
1007 {
1008 	return tcu::Vector<ScalarType, 4>(getSwizzledComp(vec, swz.r, 0),
1009 									  getSwizzledComp(vec, swz.g, 1),
1010 									  getSwizzledComp(vec, swz.b, 2),
1011 									  getSwizzledComp(vec, swz.a, 3));
1012 }
1013 
1014 /*--------------------------------------------------------------------*//*!
1015 * \brief Swizzle scale or bias vector by given mapping
1016 *
1017 * \param vec scale or bias vector
1018 * \param swz swizzle component mapping, may include ZERO, ONE, or IDENTITY
1019 * \param zeroOrOneValue vector value for component swizzled as ZERO or ONE
1020 * \return swizzled vector
1021 *//*--------------------------------------------------------------------*/
swizzleScaleBias(const tcu::Vec4 & vec,const vk::VkComponentMapping & swz,float zeroOrOneValue)1022 tcu::Vec4 swizzleScaleBias (const tcu::Vec4& vec, const vk::VkComponentMapping& swz, float zeroOrOneValue)
1023 {
1024 
1025 	// Remove VK_COMPONENT_SWIZZLE_IDENTITY to avoid addressing channelValues[0]
1026 	const vk::VkComponentMapping nonIdentitySwz =
1027 	{
1028 		swz.r == VK_COMPONENT_SWIZZLE_IDENTITY ? VK_COMPONENT_SWIZZLE_R : swz.r,
1029 		swz.g == VK_COMPONENT_SWIZZLE_IDENTITY ? VK_COMPONENT_SWIZZLE_G : swz.g,
1030 		swz.b == VK_COMPONENT_SWIZZLE_IDENTITY ? VK_COMPONENT_SWIZZLE_B : swz.b,
1031 		swz.a == VK_COMPONENT_SWIZZLE_IDENTITY ? VK_COMPONENT_SWIZZLE_A : swz.a
1032 	};
1033 
1034 	const float channelValues[] =
1035 	{
1036 		-1.0f,				// impossible
1037 		zeroOrOneValue,		// SWIZZLE_ZERO
1038 		zeroOrOneValue,		// SWIZZLE_ONE
1039 		vec.x(),
1040 		vec.y(),
1041 		vec.z(),
1042 		vec.w(),
1043 	};
1044 
1045 	return tcu::Vec4(channelValues[nonIdentitySwz.r], channelValues[nonIdentitySwz.g], channelValues[nonIdentitySwz.b], channelValues[nonIdentitySwz.a]);
1046 }
1047 
1048 template<typename ScalarType>
swizzleT(const tcu::ConstPixelBufferAccess & src,const tcu::PixelBufferAccess & dst,const vk::VkComponentMapping & swz)1049 void swizzleT (const tcu::ConstPixelBufferAccess& src, const tcu::PixelBufferAccess& dst, const vk::VkComponentMapping& swz)
1050 {
1051 	for (int z = 0; z < dst.getDepth(); ++z)
1052 	for (int y = 0; y < dst.getHeight(); ++y)
1053 	for (int x = 0; x < dst.getWidth(); ++x)
1054 		dst.setPixel(swizzle(src.getPixelT<ScalarType>(x, y, z), swz), x, y, z);
1055 }
1056 
swizzleFromSRGB(const tcu::ConstPixelBufferAccess & src,const tcu::PixelBufferAccess & dst,const vk::VkComponentMapping & swz)1057 void swizzleFromSRGB (const tcu::ConstPixelBufferAccess& src, const tcu::PixelBufferAccess& dst, const vk::VkComponentMapping& swz)
1058 {
1059 	for (int z = 0; z < dst.getDepth(); ++z)
1060 	for (int y = 0; y < dst.getHeight(); ++y)
1061 	for (int x = 0; x < dst.getWidth(); ++x)
1062 		dst.setPixel(swizzle(tcu::sRGBToLinear(src.getPixelT<float>(x, y, z)), swz), x, y, z);
1063 }
1064 
swizzle(const tcu::ConstPixelBufferAccess & src,const tcu::PixelBufferAccess & dst,const vk::VkComponentMapping & swz)1065 void swizzle (const tcu::ConstPixelBufferAccess& src, const tcu::PixelBufferAccess& dst, const vk::VkComponentMapping& swz)
1066 {
1067 	const tcu::TextureChannelClass	chnClass	= tcu::getTextureChannelClass(dst.getFormat().type);
1068 
1069 	DE_ASSERT(src.getWidth() == dst.getWidth() &&
1070 			  src.getHeight() == dst.getHeight() &&
1071 			  src.getDepth() == dst.getDepth());
1072 
1073 	if (chnClass == tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER)
1074 		swizzleT<deInt32>(src, dst, swz);
1075 	else if (chnClass == tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER)
1076 		swizzleT<deUint32>(src, dst, swz);
1077 	else if (tcu::isSRGB(src.getFormat()) && !tcu::isSRGB(dst.getFormat()))
1078 		swizzleFromSRGB(src, dst, swz);
1079 	else
1080 		swizzleT<float>(src, dst, swz);
1081 }
1082 
isIdentitySwizzle(const vk::VkComponentMapping & swz)1083 bool isIdentitySwizzle (const vk::VkComponentMapping& swz)
1084 {
1085 	return (swz.r == vk::VK_COMPONENT_SWIZZLE_IDENTITY || swz.r == vk::VK_COMPONENT_SWIZZLE_R) &&
1086 		   (swz.g == vk::VK_COMPONENT_SWIZZLE_IDENTITY || swz.g == vk::VK_COMPONENT_SWIZZLE_G) &&
1087 		   (swz.b == vk::VK_COMPONENT_SWIZZLE_IDENTITY || swz.b == vk::VK_COMPONENT_SWIZZLE_B) &&
1088 		   (swz.a == vk::VK_COMPONENT_SWIZZLE_IDENTITY || swz.a == vk::VK_COMPONENT_SWIZZLE_A);
1089 }
1090 
1091 template<typename TextureViewType> struct TexViewTraits;
1092 
1093 template<> struct TexViewTraits<tcu::Texture1DView>			{ typedef tcu::Texture1D		TextureType; };
1094 template<> struct TexViewTraits<tcu::Texture1DArrayView>	{ typedef tcu::Texture1DArray	TextureType; };
1095 template<> struct TexViewTraits<tcu::Texture2DView>			{ typedef tcu::Texture2D		TextureType; };
1096 template<> struct TexViewTraits<tcu::Texture2DArrayView>	{ typedef tcu::Texture2DArray	TextureType; };
1097 template<> struct TexViewTraits<tcu::TextureCubeView>		{ typedef tcu::TextureCube		TextureType; };
1098 template<> struct TexViewTraits<tcu::TextureCubeArrayView>	{ typedef tcu::TextureCubeArray	TextureType; };
1099 template<> struct TexViewTraits<tcu::Texture3DView>			{ typedef tcu::Texture3D		TextureType; };
1100 
1101 template<typename TextureViewType>
1102 typename TexViewTraits<TextureViewType>::TextureType* createSkeletonClone (tcu::TextureFormat format, const tcu::ConstPixelBufferAccess& level0);
1103 
getSwizzleTargetFormat(tcu::TextureFormat format)1104 tcu::TextureFormat getSwizzleTargetFormat (tcu::TextureFormat format)
1105 {
1106 	// Swizzled texture needs to hold all four channels
1107 	// \todo [2016-09-21 pyry] We could save some memory by using smaller formats
1108 	//						   when possible (for example U8).
1109 
1110 	const tcu::TextureChannelClass	chnClass	= tcu::getTextureChannelClass(format.type);
1111 
1112 	if (chnClass == tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER)
1113 		return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::SIGNED_INT32);
1114 	else if (chnClass == tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER)
1115 		return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNSIGNED_INT32);
1116 	else
1117 		return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::FLOAT);
1118 }
1119 
1120 template<>
createSkeletonClone(tcu::TextureFormat format,const tcu::ConstPixelBufferAccess & level0)1121 tcu::Texture1D* createSkeletonClone<tcu::Texture1DView> (tcu::TextureFormat format, const tcu::ConstPixelBufferAccess& level0)
1122 {
1123 	return new tcu::Texture1D(format, level0.getWidth());
1124 }
1125 
1126 template<>
createSkeletonClone(tcu::TextureFormat format,const tcu::ConstPixelBufferAccess & level0)1127 tcu::Texture1DArray* createSkeletonClone<tcu::Texture1DArrayView> (tcu::TextureFormat format, const tcu::ConstPixelBufferAccess& level0)
1128 {
1129 	return new tcu::Texture1DArray(format, level0.getWidth(), level0.getHeight());
1130 }
1131 
1132 template<>
createSkeletonClone(tcu::TextureFormat format,const tcu::ConstPixelBufferAccess & level0)1133 tcu::Texture2D* createSkeletonClone<tcu::Texture2DView> (tcu::TextureFormat format, const tcu::ConstPixelBufferAccess& level0)
1134 {
1135 	return new tcu::Texture2D(format, level0.getWidth(), level0.getHeight());
1136 }
1137 
1138 template<>
createSkeletonClone(tcu::TextureFormat format,const tcu::ConstPixelBufferAccess & level0)1139 tcu::Texture2DArray* createSkeletonClone<tcu::Texture2DArrayView> (tcu::TextureFormat format, const tcu::ConstPixelBufferAccess& level0)
1140 {
1141 	return new tcu::Texture2DArray(format, level0.getWidth(), level0.getHeight(), level0.getDepth());
1142 }
1143 
1144 template<>
createSkeletonClone(tcu::TextureFormat format,const tcu::ConstPixelBufferAccess & level0)1145 tcu::Texture3D* createSkeletonClone<tcu::Texture3DView> (tcu::TextureFormat format, const tcu::ConstPixelBufferAccess& level0)
1146 {
1147 	return new tcu::Texture3D(format, level0.getWidth(), level0.getHeight(), level0.getDepth());
1148 }
1149 
1150 template<>
createSkeletonClone(tcu::TextureFormat format,const tcu::ConstPixelBufferAccess & level0)1151 tcu::TextureCubeArray* createSkeletonClone<tcu::TextureCubeArrayView> (tcu::TextureFormat format, const tcu::ConstPixelBufferAccess& level0)
1152 {
1153 	return new tcu::TextureCubeArray(format, level0.getWidth(), level0.getDepth());
1154 }
1155 
1156 template<typename TextureViewType>
createSwizzledCopy(const TextureViewType & texture,const vk::VkComponentMapping & swz)1157 MovePtr<typename TexViewTraits<TextureViewType>::TextureType> createSwizzledCopy (const TextureViewType& texture, const vk::VkComponentMapping& swz)
1158 {
1159 	MovePtr<typename TexViewTraits<TextureViewType>::TextureType>	copy	(createSkeletonClone<TextureViewType>(getSwizzleTargetFormat(texture.getLevel(0).getFormat()), texture.getLevel(0)));
1160 
1161 	for (int levelNdx = 0; levelNdx < texture.getNumLevels(); ++levelNdx)
1162 	{
1163 		copy->allocLevel(levelNdx);
1164 		swizzle(texture.getLevel(levelNdx), copy->getLevel(levelNdx), swz);
1165 	}
1166 
1167 	return copy;
1168 }
1169 
1170 template<>
createSwizzledCopy(const tcu::TextureCubeView & texture,const vk::VkComponentMapping & swz)1171 MovePtr<tcu::TextureCube> createSwizzledCopy (const tcu::TextureCubeView& texture, const vk::VkComponentMapping& swz)
1172 {
1173 	MovePtr<tcu::TextureCube>	copy	(new tcu::TextureCube(getSwizzleTargetFormat(texture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_X).getFormat()), texture.getSize()));
1174 
1175 	for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; ++faceNdx)
1176 	{
1177 		for (int levelNdx = 0; levelNdx < texture.getNumLevels(); ++levelNdx)
1178 		{
1179 			copy->allocLevel((tcu::CubeFace)faceNdx, levelNdx);
1180 			swizzle(texture.getLevelFace(levelNdx, (tcu::CubeFace)faceNdx), copy->getLevelFace(levelNdx, (tcu::CubeFace)faceNdx), swz);
1181 		}
1182 	}
1183 
1184 	return copy;
1185 }
1186 
1187 template<typename TextureViewType>
validateResultImage(const TextureViewType & texture,const tcu::Sampler & sampler,const vk::VkComponentMapping & swz,const tcu::ConstPixelBufferAccess & texCoords,const tcu::Vec2 & lodBounds,const tcu::LookupPrecision & lookupPrecision,const tcu::Vec4 & lookupScale,const tcu::Vec4 & lookupBias,const tcu::ConstPixelBufferAccess & result,const tcu::PixelBufferAccess & errorMask)1188 bool validateResultImage (const TextureViewType&				texture,
1189 						  const tcu::Sampler&					sampler,
1190 						  const vk::VkComponentMapping&			swz,
1191 						  const tcu::ConstPixelBufferAccess&	texCoords,
1192 						  const tcu::Vec2&						lodBounds,
1193 						  const tcu::LookupPrecision&			lookupPrecision,
1194 						  const tcu::Vec4&						lookupScale,
1195 						  const tcu::Vec4&						lookupBias,
1196 						  const tcu::ConstPixelBufferAccess&	result,
1197 						  const tcu::PixelBufferAccess&			errorMask)
1198 {
1199 	if (isIdentitySwizzle(swz))
1200 		return validateResultImage(texture, sampler, texCoords, lodBounds, lookupPrecision, lookupScale, lookupBias, result, errorMask);
1201 	else
1202 	{
1203 		// There is (currently) no way to handle swizzling inside validation loop
1204 		// and thus we need to pre-swizzle the texture.
1205 		UniquePtr<typename TexViewTraits<TextureViewType>::TextureType>	swizzledTex	(createSwizzledCopy(texture, swz));
1206 
1207 		return validateResultImage(*swizzledTex, sampler, texCoords, lodBounds, lookupPrecision, swizzleScaleBias(lookupScale, swz, 1.0f), swizzleScaleBias(lookupBias, swz, 0.0f), result, errorMask);
1208 	}
1209 }
1210 
resolveSubresourceRange(const TestTexture & testTexture,const vk::VkImageSubresourceRange & subresource)1211 vk::VkImageSubresourceRange resolveSubresourceRange (const TestTexture& testTexture, const vk::VkImageSubresourceRange& subresource)
1212 {
1213 	vk::VkImageSubresourceRange	resolved					= subresource;
1214 
1215 	if (subresource.levelCount == VK_REMAINING_MIP_LEVELS)
1216 		resolved.levelCount = testTexture.getNumLevels()-subresource.baseMipLevel;
1217 
1218 	if (subresource.layerCount == VK_REMAINING_ARRAY_LAYERS)
1219 		resolved.layerCount = testTexture.getArraySize()-subresource.baseArrayLayer;
1220 
1221 	return resolved;
1222 }
1223 
getTexture1DView(const TestTexture & testTexture,const vk::VkImageSubresourceRange & subresource,std::vector<tcu::ConstPixelBufferAccess> & levels)1224 MovePtr<tcu::Texture1DView> getTexture1DView (const TestTexture& testTexture, const vk::VkImageSubresourceRange& subresource, std::vector<tcu::ConstPixelBufferAccess>& levels)
1225 {
1226 	DE_ASSERT(subresource.layerCount == 1);
1227 
1228 	levels.resize(subresource.levelCount);
1229 
1230 	for (int levelNdx = 0; levelNdx < (int)levels.size(); ++levelNdx)
1231 	{
1232 		const tcu::ConstPixelBufferAccess& srcLevel = testTexture.getLevel((int)subresource.baseMipLevel+levelNdx, subresource.baseArrayLayer);
1233 
1234 		levels[levelNdx] = tcu::getSubregion(srcLevel, 0, 0, 0, srcLevel.getWidth(), 1, 1);
1235 	}
1236 
1237 	return MovePtr<tcu::Texture1DView>(new tcu::Texture1DView((int)levels.size(), &levels[0]));
1238 }
1239 
getTexture1DArrayView(const TestTexture & testTexture,const vk::VkImageSubresourceRange & subresource,std::vector<tcu::ConstPixelBufferAccess> & levels)1240 MovePtr<tcu::Texture1DArrayView> getTexture1DArrayView (const TestTexture& testTexture, const vk::VkImageSubresourceRange& subresource, std::vector<tcu::ConstPixelBufferAccess>& levels)
1241 {
1242 	const TestTexture1D*		tex1D		= dynamic_cast<const TestTexture1D*>(&testTexture);
1243 	const TestTexture1DArray*	tex1DArray	= dynamic_cast<const TestTexture1DArray*>(&testTexture);
1244 
1245 	DE_ASSERT(!!tex1D != !!tex1DArray);
1246 	DE_ASSERT(tex1DArray || subresource.baseArrayLayer == 0);
1247 
1248 	levels.resize(subresource.levelCount);
1249 
1250 	for (int levelNdx = 0; levelNdx < (int)levels.size(); ++levelNdx)
1251 	{
1252 		const tcu::ConstPixelBufferAccess& srcLevel = tex1D ? tex1D->getTexture().getLevel((int)subresource.baseMipLevel+levelNdx)
1253 															: tex1DArray->getTexture().getLevel((int)subresource.baseMipLevel+levelNdx);
1254 
1255 		levels[levelNdx] = tcu::getSubregion(srcLevel, 0, (int)subresource.baseArrayLayer, 0, srcLevel.getWidth(), (int)subresource.layerCount, 1);
1256 	}
1257 
1258 	return MovePtr<tcu::Texture1DArrayView>(new tcu::Texture1DArrayView((int)levels.size(), &levels[0]));
1259 }
1260 
getTexture2DView(const TestTexture & testTexture,const vk::VkImageSubresourceRange & subresource,std::vector<tcu::ConstPixelBufferAccess> & levels)1261 MovePtr<tcu::Texture2DView> getTexture2DView (const TestTexture& testTexture, const vk::VkImageSubresourceRange& subresource, std::vector<tcu::ConstPixelBufferAccess>& levels)
1262 {
1263 	const TestTexture2D*		tex2D		= dynamic_cast<const TestTexture2D*>(&testTexture);
1264 	const TestTexture2DArray*	tex2DArray	= dynamic_cast<const TestTexture2DArray*>(&testTexture);
1265 
1266 	DE_ASSERT(subresource.layerCount == 1);
1267 	DE_ASSERT(!!tex2D != !!tex2DArray);
1268 	DE_ASSERT(tex2DArray || subresource.baseArrayLayer == 0);
1269 
1270 	levels.resize(subresource.levelCount);
1271 
1272 	for (int levelNdx = 0; levelNdx < (int)levels.size(); ++levelNdx)
1273 	{
1274 		const tcu::ConstPixelBufferAccess& srcLevel = tex2D ? tex2D->getTexture().getLevel((int)subresource.baseMipLevel+levelNdx)
1275 															: tex2DArray->getTexture().getLevel((int)subresource.baseMipLevel+levelNdx);
1276 
1277 		levels[levelNdx] = tcu::getSubregion(srcLevel, 0, 0, (int)subresource.baseArrayLayer, srcLevel.getWidth(), srcLevel.getHeight(), 1);
1278 	}
1279 
1280 	return MovePtr<tcu::Texture2DView>(new tcu::Texture2DView((int)levels.size(), &levels[0]));
1281 }
1282 
getTexture2DArrayView(const TestTexture & testTexture,const vk::VkImageSubresourceRange & subresource,std::vector<tcu::ConstPixelBufferAccess> & levels)1283 MovePtr<tcu::Texture2DArrayView> getTexture2DArrayView (const TestTexture& testTexture, const vk::VkImageSubresourceRange& subresource, std::vector<tcu::ConstPixelBufferAccess>& levels)
1284 {
1285 	const TestTexture2D*		tex2D		= dynamic_cast<const TestTexture2D*>(&testTexture);
1286 	const TestTexture2DArray*	tex2DArray	= dynamic_cast<const TestTexture2DArray*>(&testTexture);
1287 
1288 	DE_ASSERT(!!tex2D != !!tex2DArray);
1289 	DE_ASSERT(tex2DArray || subresource.baseArrayLayer == 0);
1290 
1291 	levels.resize(subresource.levelCount);
1292 
1293 	for (int levelNdx = 0; levelNdx < (int)levels.size(); ++levelNdx)
1294 	{
1295 		const tcu::ConstPixelBufferAccess& srcLevel = tex2D ? tex2D->getTexture().getLevel((int)subresource.baseMipLevel+levelNdx)
1296 															: tex2DArray->getTexture().getLevel((int)subresource.baseMipLevel+levelNdx);
1297 
1298 		levels[levelNdx] = tcu::getSubregion(srcLevel, 0, 0, (int)subresource.baseArrayLayer, srcLevel.getWidth(), srcLevel.getHeight(), (int)subresource.layerCount);
1299 	}
1300 
1301 	return MovePtr<tcu::Texture2DArrayView>(new tcu::Texture2DArrayView((int)levels.size(), &levels[0]));
1302 }
1303 
getTextureCubeView(const TestTexture & testTexture,const vk::VkImageSubresourceRange & subresource,std::vector<tcu::ConstPixelBufferAccess> & levels)1304 MovePtr<tcu::TextureCubeView> getTextureCubeView (const TestTexture& testTexture, const vk::VkImageSubresourceRange& subresource, std::vector<tcu::ConstPixelBufferAccess>& levels)
1305 {
1306 	const static tcu::CubeFace s_faceMap[tcu::CUBEFACE_LAST] =
1307 	{
1308 		tcu::CUBEFACE_POSITIVE_X,
1309 		tcu::CUBEFACE_NEGATIVE_X,
1310 		tcu::CUBEFACE_POSITIVE_Y,
1311 		tcu::CUBEFACE_NEGATIVE_Y,
1312 		tcu::CUBEFACE_POSITIVE_Z,
1313 		tcu::CUBEFACE_NEGATIVE_Z
1314 	};
1315 
1316 	const TestTextureCube*		texCube			= dynamic_cast<const TestTextureCube*>(&testTexture);
1317 	const TestTextureCubeArray*	texCubeArray	= dynamic_cast<const TestTextureCubeArray*>(&testTexture);
1318 
1319 	DE_ASSERT(!!texCube != !!texCubeArray);
1320 	DE_ASSERT(subresource.layerCount == 6);
1321 	DE_ASSERT(texCubeArray || subresource.baseArrayLayer == 0);
1322 
1323 	levels.resize(subresource.levelCount*tcu::CUBEFACE_LAST);
1324 
1325 	for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; ++faceNdx)
1326 	{
1327 		for (int levelNdx = 0; levelNdx < (int)subresource.levelCount; ++levelNdx)
1328 		{
1329 			const tcu::ConstPixelBufferAccess& srcLevel = texCubeArray ? texCubeArray->getTexture().getLevel((int)subresource.baseMipLevel+levelNdx)
1330 																	   : texCube->getTexture().getLevelFace(levelNdx, s_faceMap[faceNdx]);
1331 
1332 			levels[faceNdx*subresource.levelCount + levelNdx] = tcu::getSubregion(srcLevel, 0, 0, (int)subresource.baseArrayLayer + (texCubeArray ? faceNdx : 0), srcLevel.getWidth(), srcLevel.getHeight(), 1);
1333 		}
1334 	}
1335 
1336 	{
1337 		const tcu::ConstPixelBufferAccess*	reordered[tcu::CUBEFACE_LAST];
1338 
1339 		for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; ++faceNdx)
1340 			reordered[s_faceMap[faceNdx]] = &levels[faceNdx*subresource.levelCount];
1341 
1342 		return MovePtr<tcu::TextureCubeView>(new tcu::TextureCubeView((int)subresource.levelCount, reordered));
1343 	}
1344 }
1345 
getTextureCubeArrayView(const TestTexture & testTexture,const vk::VkImageSubresourceRange & subresource,std::vector<tcu::ConstPixelBufferAccess> & levels)1346 MovePtr<tcu::TextureCubeArrayView> getTextureCubeArrayView (const TestTexture& testTexture, const vk::VkImageSubresourceRange& subresource, std::vector<tcu::ConstPixelBufferAccess>& levels)
1347 {
1348 	const TestTextureCubeArray*	texCubeArray	= dynamic_cast<const TestTextureCubeArray*>(&testTexture);
1349 
1350 	DE_ASSERT(texCubeArray);
1351 	DE_ASSERT(subresource.layerCount%6 == 0);
1352 
1353 	levels.resize(subresource.levelCount);
1354 
1355 	for (int levelNdx = 0; levelNdx < (int)subresource.levelCount; ++levelNdx)
1356 	{
1357 		const tcu::ConstPixelBufferAccess& srcLevel = texCubeArray->getTexture().getLevel((int)subresource.baseMipLevel+levelNdx);
1358 
1359 		levels[levelNdx] = tcu::getSubregion(srcLevel, 0, 0, (int)subresource.baseArrayLayer, srcLevel.getWidth(), srcLevel.getHeight(), (int)subresource.layerCount);
1360 	}
1361 
1362 	return MovePtr<tcu::TextureCubeArrayView>(new tcu::TextureCubeArrayView((int)levels.size(), &levels[0]));
1363 }
1364 
getTexture3DView(const TestTexture & testTexture,const vk::VkImageSubresourceRange & subresource,std::vector<tcu::ConstPixelBufferAccess> & levels)1365 MovePtr<tcu::Texture3DView> getTexture3DView (const TestTexture& testTexture, const vk::VkImageSubresourceRange& subresource, std::vector<tcu::ConstPixelBufferAccess>& levels)
1366 {
1367 	DE_ASSERT(subresource.baseArrayLayer == 0 && subresource.layerCount == 1);
1368 
1369 	levels.resize(subresource.levelCount);
1370 
1371 	for (int levelNdx = 0; levelNdx < (int)levels.size(); ++levelNdx)
1372 		levels[levelNdx] = testTexture.getLevel((int)subresource.baseMipLevel+levelNdx, subresource.baseArrayLayer);
1373 
1374 	return MovePtr<tcu::Texture3DView>(new tcu::Texture3DView((int)levels.size(), &levels[0]));
1375 }
1376 
validateResultImage(const TestTexture & texture,const VkImageViewType imageViewType,const VkImageSubresourceRange & subresource,const tcu::Sampler & sampler,const vk::VkComponentMapping & componentMapping,const tcu::ConstPixelBufferAccess & coordAccess,const tcu::Vec2 & lodBounds,const tcu::LookupPrecision & lookupPrecision,const tcu::Vec4 & lookupScale,const tcu::Vec4 & lookupBias,const tcu::ConstPixelBufferAccess & resultAccess,const tcu::PixelBufferAccess & errorAccess)1377 bool validateResultImage (const TestTexture&					texture,
1378 						  const VkImageViewType					imageViewType,
1379 						  const VkImageSubresourceRange&		subresource,
1380 						  const tcu::Sampler&					sampler,
1381 						  const vk::VkComponentMapping&			componentMapping,
1382 						  const tcu::ConstPixelBufferAccess&	coordAccess,
1383 						  const tcu::Vec2&						lodBounds,
1384 						  const tcu::LookupPrecision&			lookupPrecision,
1385 						  const tcu::Vec4&						lookupScale,
1386 						  const tcu::Vec4&						lookupBias,
1387 						  const tcu::ConstPixelBufferAccess&	resultAccess,
1388 						  const tcu::PixelBufferAccess&			errorAccess)
1389 {
1390 	std::vector<tcu::ConstPixelBufferAccess>	levels;
1391 
1392 	switch (imageViewType)
1393 	{
1394 		case VK_IMAGE_VIEW_TYPE_1D:
1395 		{
1396 			UniquePtr<tcu::Texture1DView>			texView(getTexture1DView(texture, subresource, levels));
1397 
1398 			return validateResultImage(*texView, sampler, componentMapping, coordAccess, lodBounds, lookupPrecision, lookupScale, lookupBias, resultAccess, errorAccess);
1399 		}
1400 
1401 		case VK_IMAGE_VIEW_TYPE_1D_ARRAY:
1402 		{
1403 			UniquePtr<tcu::Texture1DArrayView>		texView(getTexture1DArrayView(texture, subresource, levels));
1404 
1405 			return validateResultImage(*texView, sampler, componentMapping, coordAccess, lodBounds, lookupPrecision, lookupScale, lookupBias, resultAccess, errorAccess);
1406 		}
1407 
1408 		case VK_IMAGE_VIEW_TYPE_2D:
1409 		{
1410 			UniquePtr<tcu::Texture2DView>			texView(getTexture2DView(texture, subresource, levels));
1411 
1412 			return validateResultImage(*texView, sampler, componentMapping, coordAccess, lodBounds, lookupPrecision, lookupScale, lookupBias, resultAccess, errorAccess);
1413 		}
1414 
1415 		case VK_IMAGE_VIEW_TYPE_2D_ARRAY:
1416 		{
1417 			UniquePtr<tcu::Texture2DArrayView>		texView(getTexture2DArrayView(texture, subresource, levels));
1418 
1419 			return validateResultImage(*texView, sampler, componentMapping, coordAccess, lodBounds, lookupPrecision, lookupScale, lookupBias, resultAccess, errorAccess);
1420 		}
1421 
1422 		case VK_IMAGE_VIEW_TYPE_CUBE:
1423 		{
1424 			UniquePtr<tcu::TextureCubeView>			texView(getTextureCubeView(texture, subresource, levels));
1425 
1426 			return validateResultImage(*texView, sampler, componentMapping, coordAccess, lodBounds, lookupPrecision, lookupScale, lookupBias, resultAccess, errorAccess);
1427 		}
1428 
1429 		case VK_IMAGE_VIEW_TYPE_CUBE_ARRAY:
1430 		{
1431 			UniquePtr<tcu::TextureCubeArrayView>	texView(getTextureCubeArrayView(texture, subresource, levels));
1432 
1433 			return validateResultImage(*texView, sampler, componentMapping, coordAccess, lodBounds, lookupPrecision, lookupScale, lookupBias, resultAccess, errorAccess);
1434 		}
1435 
1436 		case VK_IMAGE_VIEW_TYPE_3D:
1437 		{
1438 			UniquePtr<tcu::Texture3DView>			texView(getTexture3DView(texture, subresource, levels));
1439 
1440 			return validateResultImage(*texView, sampler, componentMapping, coordAccess, lodBounds, lookupPrecision, lookupScale, lookupBias, resultAccess, errorAccess);
1441 		}
1442 
1443 		default:
1444 			DE_ASSERT(false);
1445 			return false;
1446 	}
1447 }
1448 
1449 } // anonymous
1450 
verifyImage(void)1451 tcu::TestStatus ImageSamplingInstance::verifyImage (void)
1452 {
1453 	const VkPhysicalDeviceLimits&		limits					= m_context.getDeviceProperties().limits;
1454 	// \note Color buffer is used to capture coordinates - not sampled texture values
1455 	const tcu::TextureFormat			colorFormat				(tcu::TextureFormat::RGBA, tcu::TextureFormat::FLOAT);
1456 	const tcu::TextureFormat			depthStencilFormat;		// Undefined depth/stencil format.
1457 	const CoordinateCaptureProgram		coordCaptureProgram;
1458 	const rr::Program					rrProgram				= coordCaptureProgram.getReferenceProgram();
1459 	ReferenceRenderer					refRenderer				(m_renderSize.x(), m_renderSize.y(), 1, colorFormat, depthStencilFormat, &rrProgram);
1460 
1461 	bool								compareOkAll			= true;
1462 
1463 	tcu::Vec4							lookupScale				(1.0f);
1464 	tcu::Vec4							lookupBias				(0.0f);
1465 
1466 	getLookupScaleBias(m_imageFormat, lookupScale, lookupBias);
1467 
1468 	// Render out coordinates
1469 	{
1470 		const rr::RenderState renderState(refRenderer.getViewportState(), m_context.getDeviceProperties().limits.subPixelPrecisionBits);
1471 		refRenderer.draw(renderState, rr::PRIMITIVETYPE_TRIANGLES, m_vertices);
1472 	}
1473 
1474 	// Verify results
1475 	{
1476 		const tcu::Sampler					sampler			= mapVkSampler(m_samplerParams);
1477 		const float							referenceLod	= de::clamp(m_samplerParams.mipLodBias + m_samplerLod, m_samplerParams.minLod, m_samplerParams.maxLod);
1478 		const float							lodError		= 1.0f / static_cast<float>((1u << limits.mipmapPrecisionBits) - 1u);
1479 		const tcu::Vec2						lodBounds		(referenceLod - lodError, referenceLod + lodError);
1480 		const vk::VkImageSubresourceRange	subresource		= resolveSubresourceRange(*m_texture, m_subresourceRange);
1481 
1482 		const tcu::ConstPixelBufferAccess	coordAccess		= refRenderer.getAccess();
1483 		tcu::TextureLevel					errorMask		(tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), (int)m_renderSize.x(), (int)m_renderSize.y());
1484 		const tcu::PixelBufferAccess		errorAccess		= errorMask.getAccess();
1485 
1486 		const bool							isNearestOnly	= (m_samplerParams.minFilter == VK_FILTER_NEAREST && m_samplerParams.magFilter == VK_FILTER_NEAREST);
1487 
1488 		tcu::LookupPrecision				lookupPrecision;
1489 
1490 		// Set precision requirements - very low for these tests as
1491 		// the point of the test is not to validate accuracy.
1492 		lookupPrecision.coordBits		= tcu::IVec3(17, 17, 17);
1493 		lookupPrecision.uvwBits			= tcu::IVec3(5, 5, 5);
1494 		lookupPrecision.colorMask		= m_componentMask;
1495 		lookupPrecision.colorThreshold	= tcu::computeFixedPointThreshold(max((tcu::IVec4(8, 8, 8, 8) - (isNearestOnly ? 1 : 2)), tcu::IVec4(0))) / swizzleScaleBias(lookupScale, m_componentMapping, 1.0f);
1496 
1497 		if (tcu::isSRGB(m_texture->getTextureFormat()))
1498 			lookupPrecision.colorThreshold += tcu::Vec4(4.f / 255.f);
1499 
1500 		de::MovePtr<TestTexture>			textureCopy;
1501 		TestTexture*						texture			= DE_NULL;
1502 
1503 		if (isCombinedDepthStencilType(m_texture->getTextureFormat().type))
1504 		{
1505 			// Verification loop does not support reading from combined depth stencil texture levels.
1506 			// Get rid of stencil component.
1507 
1508 			tcu::TextureFormat::ChannelType depthChannelType = tcu::TextureFormat::CHANNELTYPE_LAST;
1509 
1510 			switch (m_texture->getTextureFormat().type)
1511 			{
1512 			case tcu::TextureFormat::UNSIGNED_INT_16_8_8:
1513 				depthChannelType = tcu::TextureFormat::UNORM_INT16;
1514 				break;
1515 			case tcu::TextureFormat::UNSIGNED_INT_24_8:
1516 			case tcu::TextureFormat::UNSIGNED_INT_24_8_REV:
1517 				depthChannelType = tcu::TextureFormat::UNORM_INT24;
1518 				break;
1519 			case tcu::TextureFormat::FLOAT_UNSIGNED_INT_24_8_REV:
1520 				depthChannelType = tcu::TextureFormat::FLOAT;
1521 				break;
1522 			default:
1523 				DE_FATAL("Unhandled texture format type in switch");
1524 			}
1525 			textureCopy	= m_texture->copy(tcu::TextureFormat(tcu::TextureFormat::D, depthChannelType));
1526 			texture		= textureCopy.get();
1527 		}
1528 		else
1529 		{
1530 			texture		= m_texture.get();
1531 		}
1532 
1533 		for (int imgNdx = 0; imgNdx < m_imageCount; ++imgNdx)
1534 		{
1535 			// Read back result image
1536 			UniquePtr<tcu::TextureLevel>		result			(readColorAttachment(m_context.getDeviceInterface(),
1537 																					 m_context.getDevice(),
1538 																					 m_context.getUniversalQueue(),
1539 																					 m_context.getUniversalQueueFamilyIndex(),
1540 																					 m_context.getDefaultAllocator(),
1541 																					 **m_colorImages[imgNdx],
1542 																					 m_colorFormat,
1543 																					 m_renderSize));
1544 			const tcu::ConstPixelBufferAccess	resultAccess	= result->getAccess();
1545 			bool								compareOk		= validateResultImage(*texture,
1546 																					  m_imageViewType,
1547 																					  subresource,
1548 																					  sampler,
1549 																					  m_componentMapping,
1550 																					  coordAccess,
1551 																					  lodBounds,
1552 																					  lookupPrecision,
1553 																					  lookupScale,
1554 																					  lookupBias,
1555 																					  resultAccess,
1556 																					  errorAccess);
1557 			if (!compareOk)
1558 				m_context.getTestContext().getLog()
1559 				<< tcu::TestLog::Image("Result", "Result Image", resultAccess)
1560 				<< tcu::TestLog::Image("ErrorMask", "Error Mask", errorAccess);
1561 
1562 			compareOkAll = compareOkAll && compareOk;
1563 		}
1564 	}
1565 
1566 	if (compareOkAll)
1567 		return tcu::TestStatus::pass("Result image matches reference");
1568 	else
1569 		return tcu::TestStatus::fail("Image mismatch");
1570 }
1571 
1572 } // pipeline
1573 } // vkt
1574